3D bio-printer



FIG. 1 is a perspective view of a 3D bio-printer, showing our new design;

FIG. 2 is an alternative perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a side elevation view thereof;

FIG. 6 is an opposite side elevation view thereof; and,

FIG. 7 is a top plan view thereof. 

CLAIM The ornamental for a 3D bio-printer, as shown. 